chip_finish_icc.tcl

synopsys icc 使用参考脚本

## ICC RM Version: B-2008.09         


###################################################
## chip_finish_icc: Several chipfinishing steps  ##
###################################################



source -echo icc_setup.tcl

open_mw_lib $MW_DESIGN_LIBRARY
redirect /dev/null "remove_mw_cel -version_kept 0 ${ICC_CHIP_FINISH_CEL}"
copy_mw_cel -from $ICC_ROUTE_OPT_CEL -to $ICC_CHIP_FINISH_CEL
open_mw_cel $ICC_CHIP_FINISH_CEL

link



source -echo common_optimization_settings_icc.tcl
source -echo common_placement_settings_icc.tcl
source -echo common_post_cts_timing_settings.tcl



########################################
#    LOAD THE ROUTE AND SI SETTINGS    #
########################################

source -echo common_route_si_settings_zrt_icc.tcl


if {$MV_MODE == "UPF"} {


#############################
## COMPLETE POWER CONNECTIONS
#############################

 derive_pg_connection -create_net -verbose
 derive_pg_connection -reconnect -verbose
 check_mv_design -power_nets -verbose

}



if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }



if {$ICC_DBL_VIA } {
  

  ########################################
  #           REDUNDANT VIA              #
  ########################################
  
  
  ## When running Via insertion in MCMM mode, be aware that it works only from the current_scenario - 
  ## You can use [get_dominant scenarios] to get a critical one loaded
  # set_active_scenarios [get_dominant_scenarios]
  
  ## Optionally, manual mode :
  # define_zrt_redundant_vias
  # insert_zrt_redundant_vias -list_only

  insert_zrt_redundant_vias -effort high
  
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
 
}





if {$ICC_REDUCE_CRITICAL_AREA } {
  

  ########################################
  #      CRITICAL AREA REDUCTION          #
  ########################################
  
  ## Timing driven wire spreading for shorts and widening for opens
  ## It is recommended to define a slack threshold to avoid that nets with too small slack are touched
  ## the unit of $TIMING_PRESERVE_SLACK is the library unit, so make sure that you provide the correct
  ## value in case your library has ps as unit. Default is 0.1, i.e. 0.1ns.
  spread_zrt_wires -timing_preserve_setup_slack_threshold $TIMING_PRESERVE_SLACK -timing_preserve_hold_slack_threshold $TIMING_PRESERVE_SLACK
  widen_zrt_wires -timing_preserve_setup_slack_threshold $TIMING_PRESERVE_SLACK -timing_preserve_hold_slack_threshold $TIMING_PRESERVE_SLACK
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
  
}
  




if {$ICC_FIX_ANTENNA } {
  

  ########################################
  #        ANTENNA DIODE FIXING          #
  ########################################
  
  if { [file exists [which $ANTENNA_RULES_FILE]]} {
       set_route_zrt_detail_options -antenna true -insert_diodes_during_routing true
       route_zrt_detail -incremental true 
   }

  
}
  




  ###################################
  #          SHIELDING              #
  ###################################
  
  ##Shield Clocks/Nets if Constraint Set Previously
  #create_zrt_shield
  



if {$ADD_FILLER_CELL } {


  ########################################
  #          STD CELL FILLERS            #
  ########################################
  
##Filler Cells
if {$MV_MODE == "NONE" } {
  if {$ADD_FILLER_CELL == "true" } {
    ## Zroute with metal filler cells is not supported until 2008.09-SP2
    ## insert_stdcell_filler -cell_with_metal $FILLER_CELL_METAL -connect_to_power $MW_POWER_NET -connect_to_ground $MW_GROUND_NET
    insert_stdcell_filler -cell_without_metal $FILLER_CELL -connect_to_power $MW_POWER_NET -connect_to_ground $MW_GROUND_NET
  }
} else {echo "SCRIPT-ERROR: Filler cell insertion chosen and scripts do not support filler insertion in MV flow"}
if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }


}
  





if {$ICC_FIX_ANTENNA || $ICC_REDUCE_CRITICAL_AREA || $ICC_DBL_VIA || $ADD_FILLER_CELL } {


  ########################################
  #     INCREMENTAL TIMING OPTO          #
  ########################################
  
  route_opt -incremental -size_only

  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }


}




if {$ICC_DBL_VIA } {
  

  ## Optionally, if DV is really a key issue, we recommend to run a 3rd time
  ## but with timing preserve on, so that any critical paths are not touched by this step.
  ########################################
  #           REDUNDANT VIA              #
  ########################################
  
  #insert_zrt_redundant_vias -effort high \
  #                          -timing_preserve_setup_slack_threshold $TIMING_PRESERVE_SLACK \
  #                          -timing_preserve_hold_slack_threshold $TIMING_PRESERVE_SLACK
  #
  #if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
 
}




if {$ADD_FILLER_CELL } {


  ########################################
  #          STD CELL FILLERS            #
  ########################################
  
  ##Filler Cells
  if {$MV_MODE == "NONE" } {
    if {$ADD_FILLER_CELL == "true" } {
      insert_stdcell_filler -cell_without_metal $FILLER_CELL -connect_to_power $MW_POWER_NET -connect_to_ground $MW_GROUND_NET
    }
  } else {echo "SCRIPT-ERROR: Filler cell insertion chosen and scripts do not support filler insertion in MV flow"}


  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }

}



  

  if {$MV_MODE != "NONE"} {

    ## in case new nets are created that go from one VA to another, level shifters need to be inserted on these nets 
    # insert_level_shifters -all_clock_nets -verbose
  
    ## optionally insert isolation cells 
    # insert_isolation_cell -reference $lib_cell -enable [find net $enable_net] -object_list [get_net $nets_missing_isolation_cells]
  

  }
  





########################################
#           CONNECT P/G                #
########################################


## Connect Power & Ground for non-MV and MV-mode


if { $CUSTOM_CONNECT_PG_NETS_SCRIPT != ""} {

  if {[file exists [which $CUSTOM_CONNECT_PG_NETS_SCRIPT]]} {
    source -echo $CUSTOM_CONNECT_PG_NETS_SCRIPT 
  }

} else {
 if {$MV_MODE == "NONE"} {

  derive_pg_connection -create_net -verbose 
  derive_pg_connection -reconnect -verbose 

 }

 if {$MV_MODE == "NONUPF"} {
  source -echo mv_pg_connect.tcl 
 }

 if {$MV_MODE == "UPF"} {

  derive_pg_connection -create_net -verbose
  derive_pg_connection -reconnect -verbose
  redirect -file $REPORTS_DIR/chip_finish.mv {check_mv_design -power_nets -verbose}
  save_upf $RESULTS_DIR/$ICC_CHIP_FINISH_CEL.upf
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }

 }
}



##Final Route clean-up - if needed:
route_zrt_eco               ;#catch any opens and try to re-route them, recheck DRC



if {$ADD_METAL_FILL} { 


  ########################################
  #       TIMING DRIVEN METAL FILL       # 
  ########################################
  
  insert_metal_filler -routing_space 2 -timing_driven
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }

}




if {$MV_MODE == "NONUPF"} {
  redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.mv {check_mv_design -verbose}
}

if {$MV_MODE == "UPF"} {

  derive_pg_connection -create_net -verbose
  derive_pg_connection -reconnect -verbose
  redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.mv {check_mv_design -power_nets -verbose}
  save_upf $RESULTS_DIR/$ICC_CHIP_FINISH_CEL.upf  

}




redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.qor {report_qor}
redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.con {report_constraints}


if {$MCMM_MODE } {

  set_active_scenarios [lminus [all_scenarios] $ICC_MCMM_CTS_SCENARIO] 
  update_timing 
 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.max.tim {report_timing -crosstalk_delta -scenario [all_scenarios] -capacitance -transition_time -input_pins -nets -delay max} 
 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.min.tim {report_timing -crosstalk_delta -scenario [all_scenarios] -capacitance -transition_time -input_pins -nets -delay min} 

} else {

 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.max.tim {report_timing -crosstalk_delta -capacitance -transition_time -input_pins -nets -delay max} 
 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.min.tim {report_timing -crosstalk_delta -capacitance -transition_time -input_pins -nets -delay min} 

}


## Uncomment if you want detailed routing violation report with or without antenna info
# if {$ICC_FIX_ANTENNA} {
#    verify_zrt_route -antenna true 
# } else {
#    verify_zrt_route -antenna false 
#   }


redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.sum {report_design -physical}



## Create Snapshot and Save

create_qor_snapshot -timing -constraint -congestion -clock_tree -route -name $ICC_CHIP_FINISH_CEL
save_mw_cel -as $ICC_CHIP_FINISH_CEL
redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.qor_snapshot.rpt {report_qor_snapshot}




exit